1/4-20 x 4 Phillips Flat Undercut Thread Cutting Screw Type F Fully Threaded Zinc BPT They are made of zinc-plated

They are made of zinc-plated steel for corrosion resistance and durability

These screws are ideal for use in metal

The 6-lobe drive helps to prevent stripping and cam-out

and it meets the requirements of ISO7380

this bolt boasts a durable Grade 8 rating

1/4-20 x 4 Phillips Flat Undercut Thread Cutting Screw Type F Fully Threaded Zinc BPT They are made of zinc-plated1 4 20 x 4 Phillips Flat Undercut Thread Cutting Screw Type F Fully Threaded Zinc is a screw with a 1 4 inch diameter and a 20 threads per inch pitch. It has a Phillips drive recess and a flat undercut head. The screw is made of steel and has a zinc coating for corrosion resistance. It is a fully threaded screw, meaning that the threads extend the entire length of the screw. This type of screw is used in a variety of applications, including wood,